32 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



The three specimens in the collection of the U.S.N.M. Cat. No. 

 195848a come from the von Mollendorff collection. They present 

 the following data: 



i Type. 



AMPHIDROMUS ENTOBAPTUS BUSUANGENSIS, new subspecies. 



Plate 16, figs. 4-9. 



Amphidromus perversus Linnaeus, var., Eleka, Cat. Sist. Faun. Filip., 1S96, 



p. 618. 

 Amphidromus entobaptus Pilsbry, Man. Conch., vol. 13, p. 146, 1900, pi. 



51, figs. 42-44. 



Shell elongate-ovate to ovate; cream colored to Naples yellow, 

 usually darker within. Whorls well rounded, appressed at the sum- 

 mit, marked by fine, retractive lines of growth and exceedingly fine 

 spiral striations. The aperture is broadly oval; outer lip thick, ex- 

 panded and reflected; inner lip expanded at the base where it fuses 

 with the rather thick callus of the parietal wall; peristome white. 

 The following specimens have been examined : 



1 Type. 



